pkg/analyzer/test/src/diagnostics/spread_expression_from_deferred_library_test.dart

// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:analyzer/src/dart/analysis/experiments.dart';
import 'package:analyzer/src/error/codes.dart';
import 'package:analyzer/src/generated/engine.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

import '../dart/resolution/driver_resolution.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(SpreadExpressionFromDeferredLibraryTest);
    defineReflectiveTests(SpreadExpressionFromDeferredLibraryWithConstantsTest);
  });
}

@reflectiveTest
class SpreadExpressionFromDeferredLibraryTest extends DriverResolutionTest {
  test_inList_deferred() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const List c = [];''');
    await assertErrorsInCode(
        r'''
import 'lib1.dart' deferred as a;
f() {
  return const [...a.c];
}''',
        analysisOptions.experimentStatus.constant_update_2018
            ? [
                error(
                    CompileTimeErrorCode
                        .SPREAD_EXPRESSION_FROM_DEFERRED_LIBRARY,
                    59,
                    3),
              ]
            : [
                error(CompileTimeErrorCode.NON_CONSTANT_LIST_ELEMENT, 56, 6),
              ]);
  }

  test_inList_deferred_notConst() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const List c = [];''');
    await assertNoErrorsInCode(r'''
import 'lib1.dart' deferred as a;
f() {
  return [...a.c];
}''');
  }

  test_inList_notDeferred() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const List c = [];''');
    await assertErrorsInCode(
        r'''
import 'lib1.dart' as a;
f() {
  return const [...a.c];
}''',
        analysisOptions.experimentStatus.constant_update_2018
            ? []
            : [
                error(CompileTimeErrorCode.NON_CONSTANT_LIST_ELEMENT, 47, 6),
              ]);
  }

  test_inMap_deferred() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const Map c = <int, int>{};''');
    await assertErrorsInCode(
        r'''
import 'lib1.dart' deferred as a;
f() {
  return const {...a.c};
}''',
        analysisOptions.experimentStatus.constant_update_2018
            ? [
                error(
                    CompileTimeErrorCode
                        .SPREAD_EXPRESSION_FROM_DEFERRED_LIBRARY,
                    59,
                    3),
              ]
            : [
                error(CompileTimeErrorCode.NON_CONSTANT_MAP_ELEMENT, 56, 6),
              ]);
  }

  test_inMap_notConst() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const Map c = <int, int>{};''');
    await assertNoErrorsInCode(r'''
import 'lib1.dart' deferred as a;
f() {
  return {...a.c};
}''');
  }

  test_inMap_notDeferred() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const Map c = <int, int>{};''');
    await assertErrorsInCode(
        r'''
import 'lib1.dart' as a;
f() {
  return const {...a.c};
}''',
        analysisOptions.experimentStatus.constant_update_2018
            ? []
            : [
                error(CompileTimeErrorCode.NON_CONSTANT_MAP_ELEMENT, 47, 6),
              ]);
  }

  test_inSet_deferred() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const Set c = <int>{};''');
    await assertErrorsInCode(
        r'''
import 'lib1.dart' deferred as a;
f() {
  return const {...a.c};
}''',
        analysisOptions.experimentStatus.constant_update_2018
            ? [
                error(
                    CompileTimeErrorCode
                        .SPREAD_EXPRESSION_FROM_DEFERRED_LIBRARY,
                    59,
                    3),
              ]
            : [
                error(CompileTimeErrorCode.NON_CONSTANT_SET_ELEMENT, 56, 6),
              ]);
  }

  test_inSet_notConst() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const Set c = <int>{};''');
    await assertNoErrorsInCode(r'''
import 'lib1.dart' deferred as a;
f() {
  return {...a.c};
}''');
  }

  test_inSet_notDeferred() async {
    newFile(convertPath('/test/lib/lib1.dart'), content: r'''
const Set c = <int>{};''');
    await assertErrorsInCode(
        r'''
import 'lib1.dart' as a;
f() {
  return const {...a.c};
}''',
        analysisOptions.experimentStatus.constant_update_2018
            ? []
            : [
                error(CompileTimeErrorCode.NON_CONSTANT_SET_ELEMENT, 47, 6),
              ]);
  }
}

@reflectiveTest
class SpreadExpressionFromDeferredLibraryWithConstantsTest
    extends SpreadExpressionFromDeferredLibraryTest {
  @override
  AnalysisOptionsImpl get analysisOptions => AnalysisOptionsImpl()
    ..enabledExperiments = [EnableString.constant_update_2018];
}